Home / 497,748.80-746,623.20-123,771.80

Finding the Fourth Proportional to 497,748.80, 746,623.20 and 123,771.80

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Solution

The fourth proportional to 497,748.80, 746,623.20 and 123,771.80 is: 185,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,748.80 : 746,623.20 = 123,771.80 : x
  2. Step 2: Convert to fraction form
    497,748.80/746,623.20 = 123,771.80/x
  3. Step 3: Cross multiply
    497,748.80x = 746,623.20 × 123,771.80
  4. Step 4: Simplify right side
    497,748.80x = 92,410,897,385.76
  5. Step 5: Solve for x
    x = 92,410,897,385.76/497,748.80
  6. Step 6: Final answer
    x = 185,657.70

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.